Hi Igor,
I find your reply a bit harsh. I don't picture things in my head. I was under the impression that I could ask a question here as one can do on many fora of software development. I thought it to be a community with members helping each other as I do on a couple of fora. If this forum is not organized that way I apologize, because perhaps I didn't inform myself well enough.
And I was on the way to follow the suggestion of Werner to test it with the Armbian image.